1. Matter has mass takes up space
Everything in the universe is matter or energy.
Matter
atoms
molecules
cells
solid
liquid
gas
air
Energy
heat
light
sound
X-rays
UV rays
infrared UV

2. States of Matter
SOLID
LIQUID
GAS
vibrates
flows
expands apart

3. Properties of Matter Physical Properties: Chemical Properties:
observed without changing into new substance.
temp., state, mp, bp, color, mass, volume, etc.
Chemical Properties:
only be observed when changed into new substance.
flammability, corrosiveness, reactivity, etc.

4. Properties of Matter
Copper
(Cu)
Physical
Chemical
???
???

5. Properties of Metals & Nonmetals
(sodium, iron,
copper, zinc)
Nonmetals
(sulfur, oxygen,
neon, carbon)
_________ Properties:
Luster (shiny)
Malleable (sheets)
Ductile (wires)
Good Conductors
(heat/electricity)
Brittle
Poor Conductors
Physical
Metalloids

6. Heterogeneous Mixture
chromatography
distillation
Matter
(boiling)
separate physically
cannot separate physically
Pure Substance
Mixture
separate chemically
cannot separate
differences or unevenly mixed
uniform or evenly mixed
filtering
Classification of Matter (flowchart handout)
Sugar and Water make Lemonade
Sugar and Water and Fat make Milk
Sugar and Salt and Water and Fat and Iron and Oxygen make Blood
Heterogeneous Mixture
Homogeneous Mixture
Compound
Element
salt, baking soda, water, sugar
oxygen, iron, hydrogen, gold
(solutions)
NaCl NaHCO3
H2O C12H22O11
O2 Fe
H2 Au

7. Pure Substances
Element: -only one type of atom -simplest form of matter retaining its properties
(cannot be separated)
(chemically or physically)
Examples:
Carbon (C)
Helium (He)
Gold (Au)

8. Pure Substances
Compound: different elements chemically bonded together
(can be separated…
chemically)
Examples:
Carbon Dioxide (CO2)
Water (H2O)
Salt (NaCl)
Sucrose (C12H22O11)

9. completely new substance with completely new properties
NaCl
(compound)
Na (element)
Sodium is a highly reactive metal stored in oil.
Cl2 (element)
Chlorine kills organisms in pools.
It’s also a poisonous green gas.

10. O2 H2O H2 Compound: can be separated… chemically into… elements
…which can…
NOT. O2
(gas)
H2O
(liquid) H2
(gas)
Hoffman apparatus

11. Mixtures physically separated by _____________. (Solution)
Homogeneous Mixture: physically mixed evenly… it looks the same throughout
distillation
(boiling)
Examples:
Copper (Cu) and Zinc (Zn) make brass.
Lemonade
(H2O + C12H22O11)
Steel (Fe + C + Cr)

12. Mixtures
Heterogeneous Mixture: physically mixed unevenly… can see the different parts
Examples:
Sand
Granite
Wood

13. Separation (Group Discussion)
Sand + Iron (Fe) + Salt (NaCl) is a(n)
______________________ that can be
separated by …
heterogeneous mixture
Physically:
-pulling out Fe with magnet
Physically:
-dissolving NaCl in water
-filtering sand out
-evaporating the water
Give students 3 min discuss in small groups how this mixture might be separated. Give 3 min to share. Then reveal.
Chemically:
-decomposing NaCl with electricity into Na and Cl

14. Quick Quiz!
1. Which properties can be observed only by changing the composition of a substance?
all properties of a substance
intensive properties
chemical properties
physical properties
Same substance

15. Quick Quiz.
Passing an electric current through a substance produces oxygen and sulfur.
This substance cannot be a(n)
compound.
mixture.
element.
solution.

16. Quick Quiz. 2. Which of the following is a mixture?
sodium chloride (NaCl)
carbon dioxide (CO2)
sucrose (sugar, C12H22O11)
air (N2, O2, CO2, H2, Ar, …)

17. Quick Quiz. + A blue-green solid is decomposed by heating.
A colorless gas and a black solid appear.
The blue-green solid must have been a(n)
heterogeneous mixture
homogeneous mixture
compound
element

18. ______geneous Mixture
distillation
(boiling)
Matter
________ separate physically
separate physically
_____ Substance
_______
separate chemically
cannot separate
_________
_______
filtering
Classification of Matter (flowchart handout)
Sugar and Water make Lemonade
Sugar and Water and Fat make Milk
Sugar and Salt and Water and Fat and Iron and Oxygen make Blood
______geneous Mixture
_____geneous Mixture
__________
________
salt, baking soda, sugar, water
oxygen, iron, hydrogen, gold
(uneven, differences)
(________)
NaCl NaHCO3
H2O C12H22O11
O2 Fe
H2 Au